gridripper::amr1d::Grad Class Reference

Approximation of first order derivatives on the grid. More...

Inherits java::io::Serializable.

Inherited by gridripper::amr1d::Grad::O1_shifted, gridripper::amr1d::Grad::O1_shifted_2, gridripper::amr1d::Grad::O2, gridripper::amr1d::Grad::O21, gridripper::amr1d::Grad::O21_2, gridripper::amr1d::Grad::O2_2, gridripper::amr1d::Grad::O2skip1, gridripper::amr1d::Grad::O4, gridripper::amr1d::Grad::O421, gridripper::amr1d::Grad::O421_2, gridripper::amr1d::Grad::O4_2, gridripper::amr1d::Grad::O6, gridripper::amr1d::Grad::O6421, gridripper::amr1d::Grad::O6421_2, and gridripper::amr1d::Grad::O6_2.

List of all members.

Public Member Functions
abstract void	d (Grid g, PDE pde, int i, double[] result)
	Approximation of derivative.
abstract void	d2 (Grid g, PDE pde, int i, double[] result)
	Approximation of second derivative.
abstract void	d4 (Grid g, PDE pde, int i, double[] result)
	Approximation of fourth derivative.
abstract int	getNumVelocity ()
	Gets the error propagation velocity.
abstract Grad	create (PDE pde, int level)
final void	d (Grid g, PDE pde, int i, FieldWrapper f)
	Approximation of derivative.
final void	d2 (Grid g, PDE pde, int i, FieldWrapper f)
	Approximation of second derivative.
final void	d4 (Grid g, PDE pde, int i, FieldWrapper f)
	Approximation of fourth derivative.
Static Public Member Functions
static Grad[]	createPair (String name, PDE pde, int level)
	Creates a pair of finite difference operators for single and double grid spacing.
Classes
class	O1_shifted
	First order approximation of derivatives.
class	O1_shifted_2
	First order approximation of derivatives with double grid spacing.
class	O2
	Second order approximation of derivatives.
class	O21
	Numerical approximation of derivatives calculated in second order, except on edges where the linear approximation is applied.
class	O21_2
	Numerical approximation of derivatives with double grid spacing (For Richardson error estimation.
class	O2_2
	Second order approximation of derivatives with double grid spacing.
class	O2skip1
	Second order approximation of derivatives, by skipping the first point on the left bound.
class	O4
	Fourth order approximation of derivatives.
class	O421
	Numerical approximation of derivatives calculated in fourth order, except on edges where linear and second order approximations are applied.
class	O421_2
	Numerical approximation of derivatives with double grid spacing (For Richardson error estimation.
class	O4_2
	Fourth order approximation of derivatives with double grid spacing.
class	O6
	Sixth order approximation of derivatives.
class	O6421
	Numerical approximation of derivatives calculated in sixth order, except on edges where linear, second and fourth order approximations are applied.
class	O6421_2
	Numerical approximation of derivatives with double grid spacing.
class	O6_2
	Sixth order approximation of derivatives with double grid spacing.

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Detailed Description

Approximation of first order derivatives on the grid.

Version:

0.5, 03/10/2009

Author:

Peter Csizmadia

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Member Function Documentation

abstract void gridripper::amr1d::Grad::d	(	Grid	g,
		PDE	pde,
		int	i,
		double[]	result
	)			[pure virtual]

Approximation of derivative.

abstract void gridripper::amr1d::Grad::d2	(	Grid	g,
		PDE	pde,
		int	i,
		double[]	result
	)			[pure virtual]

Approximation of second derivative.

abstract void gridripper::amr1d::Grad::d4	(	Grid	g,
		PDE	pde,
		int	i,
		double[]	result
	)			[pure virtual]

Approximation of fourth derivative.

abstract int gridripper::amr1d::Grad::getNumVelocity

(

)

[pure virtual]

Gets the error propagation velocity.

final void gridripper::amr1d::Grad::d	(	Grid	g,
		PDE	pde,
		int	i,
		FieldWrapper	f
	)			[inline]

Approximation of derivative.

final void gridripper::amr1d::Grad::d2	(	Grid	g,
		PDE	pde,
		int	i,
		FieldWrapper	f
	)			[inline]

Approximation of second derivative.

final void gridripper::amr1d::Grad::d4	(	Grid	g,
		PDE	pde,
		int	i,
		FieldWrapper	f
	)			[inline]

Approximation of fourth derivative.

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The documentation for this class was generated from the following file:

• gridripper/amr1d/Grad.java